Goophone i6S Plus Official Firmware
This is one of the best iPhone 6S Plus Clone which looks exactly like Original iOS Firmware.
It also has a 3D Touch Feature Like Real.
If you are searching for a good firmware for your MT6573 Chipset, so from here you can download and port the Goophone i6S Plus iOS Rom to your device.
Features in this Rom :iOS Launcher
Apple Music Cloned
Android 5.0 Lollipop Based
Multi Language Support